`6.` It was such a hard cake that I could not eat it.

`->` S + tobe + such + (a/an) + adj + Noun + that + clause: quá...đếnnỗi mà..

`7.` The fog prevented us from diving.

`->` prevent sb from doing sth: ngăn chặn ai làm gì

`8.` I’m going to have my piano tuned tomorrow.

`->` have sth done (by sb): nhờ ai làm gì

`9.` The flowers haven't been watered in the garden for many weeks.

`->` Bị động thì HTHT: S + have/has been + P2 + (by O)

`10.` Every day, it takes my younger brother two hours to learn English.

`->` It takes (sb) + time + to V

`6`. It was such a hard cake that I could not eat cake.

`-` S + be + such + (a/an) + N + that + S + V

`7`. The fog prevented us from driving.

`-` S + prevent + O + from + V-ing: ngăn cản ai làm gì

`8`. I am going to have my piano tuned by them tomorrow.

`-` TLG: S + am/is/are + going to + V-inf

`-` S + have/get + O1 (vật) + V-pII + by + O2 (người)

`9`. The flowers in the garden haven't been watered for many weeks.

`->` Bị động HTHT: S + have/has + V-pII + (by O)

`10`. Every day it takes my younger brother two hours to learn English.

`->` It takes + O + time + to-V: mất bao lâu làm gì